Wall marking device



FIG. 1 is an elevational view of the wall marking device of the present design;

FIG. 2 is a right side view of the wall marking device shown in FIG. 1;

FIG. 3 is a left side view of the wall marking device shown in FIG. 1;

FIG. 4 is a rear side view of the wall marking device shown in FIG. 1;

FIG. 5 is a plan view of the wall marking device shown in FIG. 2; and,

FIG. 6 is a bottom view of the wall marking device shown in FIG. 2. 

The ornamental design for a wall marking device, as shown and described. 